142639020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5701}}^1$

素因数の和:5855

約数の個数: 72

約数和(自身を含む): 435860880

約数和(自身を除く): 293221860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 5701, 6255, 8340, 11402, 12510, 17103, 22804, 25020, 28505, 34206, 51309, 57010, 68412, 85515, 102618, 114020, 171030, 205236, 256545, 342060, 513090, 792439, 1026180, 1584878, 2377317, 3169756, 3962195, 4754634, 7131951, 7924390, 9509268, 11886585, 14263902, 15848780, 23773170, 28527804, 35659755, 47546340, 71319510, 142639020]

約数ペア:

[(1, 142639020), (2, 71319510), (3, 47546340), (4, 35659755), (5, 28527804), (6, 23773170), (9, 15848780), (10, 14263902), (12, 11886585), (15, 9509268), (18, 7924390), (20, 7131951), (30, 4754634), (36, 3962195), (45, 3169756), (60, 2377317), (90, 1584878), (139, 1026180), (180, 792439), (278, 513090), (417, 342060), (556, 256545), (695, 205236), (834, 171030), (1251, 114020), (1390, 102618), (1668, 85515), (2085, 68412), (2502, 57010), (2780, 51309), (4170, 34206), (5004, 28505), (5701, 25020), (6255, 22804), (8340, 17103), (11402, 12510)]